39685240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{523}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 102620160

約数和(自身を除く): 62934920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 271, 280, 523, 542, 1046, 1084, 1355, 1897, 2092, 2168, 2615, 2710, 3661, 3794, 4184, 5230, 5420, 7322, 7588, 9485, 10460, 10840, 14644, 15176, 18305, 18970, 20920, 29288, 36610, 37940, 73220, 75880, 141733, 146440, 283466, 566932, 708665, 992131, 1133864, 1417330, 1984262, 2834660, 3968524, 4960655, 5669320, 7937048, 9921310, 19842620, 39685240]

約数ペア:

[(1, 39685240), (2, 19842620), (4, 9921310), (5, 7937048), (7, 5669320), (8, 4960655), (10, 3968524), (14, 2834660), (20, 1984262), (28, 1417330), (35, 1133864), (40, 992131), (56, 708665), (70, 566932), (140, 283466), (271, 146440), (280, 141733), (523, 75880), (542, 73220), (1046, 37940), (1084, 36610), (1355, 29288), (1897, 20920), (2092, 18970), (2168, 18305), (2615, 15176), (2710, 14644), (3661, 10840), (3794, 10460), (4184, 9485), (5230, 7588), (5420, 7322)]